Question

In: Chemistry

Q- how many sig figs are in a-100cm b-372992 ml Q- find the number of photon...

Q- how many sig figs are in
a-100cm
b-372992 ml
Q- find the number of photon when wavelengrh ia 337nm energy is 3.83m.J

Solutions

Expert Solution

3

Significant figures number of photons is 3.


Related Solutions

Carry out the following calculation with the correct number of sig figs. (24.324)(3.2122) – 9.3210 Carry...
Carry out the following calculation with the correct number of sig figs. (24.324)(3.2122) – 9.3210 Carry out the following calculation with the correct number of sig figs. (431.00791+52.5441) / 45.3200130
How many l values are associated with n = 3? (b) How many ml values are...
How many l values are associated with n = 3? (b) How many ml values are associated with l = 1
Element Q has an atomic number 80. Consider the isotope Q-159. How many neutrons are in...
Element Q has an atomic number 80. Consider the isotope Q-159. How many neutrons are in a neutral atom of this isotope?
A.) How many grams of CdCO3 can be dissolved in 72.3 mL of water ? B.)...
A.) How many grams of CdCO3 can be dissolved in 72.3 mL of water ? B.) how many fluoride ions are present in 2.6*10^2 mL of a saturated solution of LaF3? C.) Calculate Ksp for cuprous oxide of 4.3*10^19 cuprous ions are present in 4.5 L? D.) determine the pH of a saturated solution of lithium phosphate, Ksp 2.37*10^-4
b. Determine how many ml of MeOH to use, in order to have a 0.3M solution....
b. Determine how many ml of MeOH to use, in order to have a 0.3M solution. You may want to review what “0.3M” means. Show your work. c. Given the amount of camphor ( 200 mg) we are using in this experiment, please determine how many mg of sodium borohydride to use in this reaction. We would like you to use 5.2 molar equivalents of this reagent. This means 5.2 times the mmol of camphor we are using. As an...
What is the energy of a typical visible photon? How many photons enter the eye pre...
What is the energy of a typical visible photon? How many photons enter the eye pre second when one looks at a weak source of light such as the moon who's intensity is about 4.0e-4 w/m 2? Assume a typical visible wavelength be 550nm and diameter of the eye pupil is 8.0 mm
find how many different numbers can be made by rearranging all 5 digits of the number...
find how many different numbers can be made by rearranging all 5 digits of the number 12345 if a) there is no restrictions. b) the number made is an even number. c) sandra wishes to buy some applications for her smart phone but she only has enough money fot 5 apps in total. there are 3 train apps, 6 social network apps and 14 game apps available. sandra wants to have at least 1 of each type of app. find...
For the cost and price functions​ below, find ​(​a) the​ number, q, of units that produces...
For the cost and price functions​ below, find ​(​a) the​ number, q, of units that produces maximum​ profit; ​(​b) the​ price, p, in dollars per unit that produces maximum​ profit; and ​(​c) the maximum​ profit, P, in dollars. C(q)=100+20qe^-0.01q ; p=60e^-0.01q ​(a) The​ number, q, of units that produces maximum profit is $__ ​(Do not round until the final answer. Then round to the nearest whole number as​ needed.) ​(b) The​ price, p, per unit that produces maximum profit is...
How many carbons of Palmitate come directly from malonyl CoA? (A photon of light (energy) is...
How many carbons of Palmitate come directly from malonyl CoA? (A photon of light (energy) is captured by _____________________________________ in the ____________________________________ and is transferred by _____________________________________to the _________________________________________ which uses the energy to generate a high energy _____________________ in PSII from a low energy ______________________________ generated by the ____________________________. The high energy electron reduces componens of the _____________________________ complex resulting in the pumping of protons from the chloroplast _______________________ to the _______________________________________ where they will be used to drive...
Calculate how many mL of 0.100 HCl should be added to how many grams of sodium...
Calculate how many mL of 0.100 HCl should be added to how many grams of sodium acetate dihydrate (NaOAc * 2H2O, FM 118.06) to prepare 250.0 mL of 0.100 M buffer, pH 5.00.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT